<template>
    <div>
        <div style="margin: 10px 0">
            <el-input style="width: 200px" placeholder="请输入名称" suffix-icon="el-icon-search"
                      v-model="name"></el-input>
            <!--      <el-input style="width: 200px" placeholder="请输入邮箱" suffix-icon="el-icon-message" class="ml-5" v-model="email"></el-input>-->
            <!--      <el-input style="width: 200px" placeholder="请输入地址" suffix-icon="el-icon-position" class="ml-5" v-model="address"></el-input>-->
            <el-button class="ml-5" type="primary" @click="load">搜索</el-button>
            <el-button type="warning" @click="reset">重置</el-button>
        </div>
        
        <div style="margin: 10px 0">
            <el-button type="primary" @click="handleAdd(null)">新增 <i class="el-icon-circle-plus-outline"></i>
            </el-button>
            <el-popconfirm
                class="ml-5"
                confirm-button-text='确定'
                cancel-button-text='我再想想'
                icon="el-icon-info"
                icon-color="red"
                title="您确定批量删除这些数据吗？"
                @confirm="delBatch"
            >
                <el-button type="danger" slot="reference">批量删除 <i class="el-icon-remove-outline"></i></el-button>
            </el-popconfirm>
        
        </div>
        
        <el-table :data="tableData" border stripe :header-cell-class-name="'headerBg'"
                  row-key="id" default-expand-all @selection-change="handleSelectionChange">
            <el-table-column type="selection" width="55"></el-table-column>
            <el-table-column prop="id" label="ID" width="80"></el-table-column>
            <el-table-column prop="name" label="名称"></el-table-column>
            <el-table-column prop="path" label="路径"></el-table-column>
            <el-table-column prop="pagePath" label="页面路径"></el-table-column>
            <el-table-column label="图标" class-name="fontSize18" align="center" label-class-name="fontSize12">
                <template slot-scope="scope">
                    <span :class="scope.row.icon"/>
                </template>
            </el-table-column>
            <el-table-column prop="description" label="描述"></el-table-column>
            <el-table-column prop="sortNum" label="顺序"></el-table-column>
            <el-table-column label="操作" width="300" align="center">
                <template slot-scope="scope">
                    <el-button type="primary" @click="handleAdd(scope.row.id)" v-if="!scope.row.pid && !scope.row.path">
                        新增子菜单 <i class="el-icon-plus"></i></el-button>
                    <el-button type="success" @click="handleEdit(scope.row)">编辑 <i class="el-icon-edit"></i>
                    </el-button>
                    <el-popconfirm
                        class="ml-5"
                        confirm-button-text='确定'
                        cancel-button-text='我再想想'
                        icon="el-icon-info"
                        icon-color="red"
                        title="您确定删除吗？"
                        @confirm="del(scope.row.id)"
                    >
                        <el-button type="danger" slot="reference">删除 <i class="el-icon-remove-outline"></i>
                        </el-button>
                    </el-popconfirm>
                </template>
            </el-table-column>
        </el-table>
        
        <!-- 新增、编辑菜单 -->
        <el-dialog title="菜单信息" :visible.sync="dialogFormVisible" width="30%">
            <el-form label-width="80px" size="small" status-icon :model="form" :rules="rules" ref="form">
                <el-form-item label="名称" prop="name">
                    <el-input v-model="form.name" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="路径" prop="path">
                    <el-input v-model="form.path" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="页面路径" prop="pagePath">
                    <el-input v-model="form.pagePath" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="图标" prop="icon">
                    <el-select clearable v-model="form.icon" placeholder="请选择" style="width: 100%">
                        <el-option v-for="item in options" :key="item.name" :label="item.name" :value="item.value">
                            <i :class="item.value"/> {{ item.name }}
                        </el-option>
                    </el-select>
                </el-form-item>
                <el-form-item label="顺序" prop="sortNum">
                    <el-input v-model="form.sortNum" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="描述">
                    <el-input v-model="form.description" autocomplete="off"></el-input>
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click="dialogFormVisible = false">取 消</el-button>
                <el-button type="primary" @click="save('form')">确 定</el-button>
            </div>
        </el-dialog>
    </div>
</template>

<script>
export default {
    name: "Menu",
    data() {
        return {
            tableData: [],
            total: 0,
            pageNum: 1,
            pageSize: 10,
            name: "",
            form: {},
            dialogFormVisible: false,
            multipleSelection: [],
            options: [],
            rules: {
                name: [
                    {required: true, message: '请输入名称', trigger: 'blur'},
                ],
                path: [
                    {required: true, message: '请输入路径', trigger: 'blur'},
                ],
                pagePath: [
                    {required: true, message: '请输入页面路径', trigger: 'blur'},
                ],
                icon: [
                    {required: true, message: '请选择图标', trigger: 'blur'},
                ],
                sortNum: [
                    {required: true, message: '请输入顺序', trigger: 'blur'},
                ],
            }
        }
    },
    created() {
        this.load()
    },
    methods: {
        load() {
            this.request.get("/menu", {
                params: {
                    name: this.name,
                }
            }).then(res => {
                this.tableData = res.data
            })
            
            // 请求图标的数据
            this.request.get("/menu/icons").then(res => {
                this.options = res.data
            })
        },
        save(formName) {
            this.$refs[formName].validate((valid) => {
                if (valid) {
                    this.request.post("/menu", this.form).then(res => {
                        if (res.code === '200') {
                            this.$message.success("保存成功")
                            this.dialogFormVisible = false
                            this.load()
                        } else {
                            this.$message.error("保存失败")
                        }
                    })
                } else {
                    this.$message.error("请按要求输入")
                    return false;
                }
            });
        },
        handleAdd(pid) {
            this.dialogFormVisible = true
            this.form = {}
            if (pid) {
                this.form.pid = pid
            }
        },
        handleEdit(row) {
            this.form = JSON.parse(JSON.stringify(row))
            this.dialogFormVisible = true
        },
        del(id) {
            this.request.delete("/menu/" + id).then(res => {
                if (res.code === '200') {
                    this.$message.success("删除成功")
                    this.load()
                } else {
                    this.$message.error("删除失败")
                }
            })
        },
        handleSelectionChange(val) {
            console.log(val)
            this.multipleSelection = val
        },
        delBatch() {
            let ids = this.multipleSelection.map(v => v.id)  // [{}, {}, {}] => [1,2,3]
            this.request.post("/menu/del/batch", ids).then(res => {
                if (res.code === '200') {
                    this.$message.success("批量删除成功")
                    this.load()
                } else {
                    this.$message.error("批量删除失败")
                }
            })
        },
        reset() {
            this.name = ""
            this.load()
        },
        handleSizeChange(pageSize) {
            console.log(pageSize)
            this.pageSize = pageSize
            this.load()
        },
        handleCurrentChange(pageNum) {
            console.log(pageNum)
            this.pageNum = pageNum
            this.load()
        },
        exp() {
            window.open("http://localhost:9090/role/export")
        },
        handleExcelImportSuccess() {
            this.$message.success("导入成功")
            this.load()
        }
    }
}
</script>


<style>
.headerBg {
    background: #eee !important;
}

.fontSize18 {
    font-size: 18px;
}

.fontSize12 {
    font-size: 12px;
}
</style>
